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Finding the Fourth Proportional to 454,095.33, 626,604.42 and 279,637.80

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Solution

The fourth proportional to 454,095.33, 626,604.42 and 279,637.80 is: 385,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,095.33 : 626,604.42 = 279,637.80 : x
  2. Step 2: Convert to fraction form
    454,095.33/626,604.42 = 279,637.80/x
  3. Step 3: Cross multiply
    454,095.33x = 626,604.42 × 279,637.80
  4. Step 4: Simplify right side
    454,095.33x = 175,222,280,080.89
  5. Step 5: Solve for x
    x = 175,222,280,080.89/454,095.33
  6. Step 6: Final answer
    x = 385,871.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.